function createAuthNumImg($randStr, $imgW = 100, $imgH = 40, $fontName)
{
$image = imagecreate($imgW, $imgH);
$color_white = imagecolorallocate($image, 255, 255, 255);
$color_gray = imagecolorallocate($image, 228, 228, 228);
$color_black = imagecolorallocate($image, 255, 102, 204);
$color_radom = imagecolorallocate($image, rand(1, 200), rand(1, 200), rand(10, 250));
for ($i = 0; $i < 2000; $i++) {
$c = imagecolorallocate($image, rand(1, 200), rand(1, 200), rand(10, 250));
imagesetpixel($image, mt_rand(0, $imgW), mt_rand(0, $imgH), $c);
//Ìí¼ÓÔÓµã
}
imagerectangle($image, 0, 0, $imgW - 1, $imgH - 1, $color_gray);
imagettftext($image, 50, mt_rand(-2, 2), rand(0, 20), 50, $color_radom, $fontName, $randStr);
for ($i = 10; $i < $imgH; $i += 10) {
imageline($image, 0, $i, $imgW, $i, $color_gray);
}
//»ºáÏß
for ($i = 10; $i < $imgW; $i += 10) {
imageline($image, $i, 0, $i, $imgH, $color_gray);
}
//»ÊúÏß
imagepng($image);
imagedestroy($image);
}
function embroidery2image($embroidery, $scale_post = 1, $scale_pre = false)
{
// Create image
$im = imagecreatetruecolor(ceil($embroidery->imageWidth * $scale_post), ceil($embroidery->imageHeight * $scale_post));
imagesavealpha($im, true);
imagealphablending($im, false);
$color = imagecolorallocatealpha($im, 255, 255, 255, 127);
imagefill($im, 0, 0, $color);
// Draw stitches
foreach ($embroidery->blocks as $block) {
$color = imagecolorallocate($im, $block->color->r, $block->color->g, $block->color->b);
$x = false;
foreach ($block->stitches as $stitch) {
if ($x !== false) {
imageline($im, ($x - $embroidery->min->x) * $scale_post, ($y - $embroidery->min->y) * $scale_post, ($stitch->x - $embroidery->min->x) * $scale_post, ($stitch->y - $embroidery->min->y) * $scale_post, $color);
}
$x = $stitch->x;
$y = $stitch->y;
}
}
// Scale finished image
if ($scale_pre) {
$im2 = imagecreatetruecolor($embroidery->imageWidth * $scale_post * $scale_pre, $embroidery->imageHeight * $scale_post * $scale_pre);
imagesavealpha($im2, true);
imagealphablending($im2, false);
imagecopyresized($im2, $im, 0, 0, 0, 0, $embroidery->imageWidth * $scale_post * $scale_pre, $embroidery->imageHeight * $scale_post * $scale_pre, $embroidery->imageWidth * $scale_post, $embroidery->imageHeight * $scale_post);
imagedestroy($im);
$im = $im2;
}
return $im;
}
function guvenlik_resmi()
{
$sifre = substr(md5(rand(0, 999999999999)), -5);
if ($sifre) {
$this->session->set_userdata('koruma', $sifre);
$yukseklik = 62;
$genislik = 200;
$resim = ImageCreate($genislik, $yukseklik);
$siyah = ImageColorAllocate($resim, 0, 0, 0);
$kirmizi = ImageColorAllocate($resim, 182, 16, 99);
$beyaz = ImageColorAllocate($resim, 255, 255, 255);
ImageFill($resim, 0, 0, $beyaz);
$font = 'css/comic.ttf';
$font_boyut = 24;
$sM = 30;
$uM = 45;
//kullanımı
//resim adı, font boyutu, yazının açısı, yazının soldan margini, üstten margin, renk, font adı, şifrenin hangi digitinin yazılacağı bellirtiliyor
imagettftext($resim, $font_boyut, rand(-45, 45), $sMa = $sM, $uM, rand(0, 255), $font, $sifre[0]);
imagettftext($resim, $font_boyut, rand(-45, 45), $sM = $sMa + $sM, $uM, rand(0, 255), $font, $sifre[1]);
imagettftext($resim, $font_boyut, rand(-45, 45), $sM = $sMa + $sM, $uM, rand(0, 255), $font, $sifre[2]);
imagettftext($resim, $font_boyut, rand(-45, 45), $sM = $sMa + $sM, $uM, rand(0, 255), $font, $sifre[3]);
imagettftext($resim, $font_boyut, rand(-45, 45), $sM = $sMa + $sM, $uM, rand(0, 255), $font, $sifre[4]);
//ImageRectangle($resim, 0, 0, $genislik-1, $yukseklik-1, $kirmizi);
imageline($resim, 0, $yukseklik / 2, $genislik, $yukseklik / 2, $kirmizi);
imageline($resim, $genislik / 2, 0, $genislik / 2, $yukseklik, $kirmizi);
header("Content-Type: image/png");
ImagePng($resim);
ImageDestroy($resim);
}
exit;
}
public function index()
{
ob_clean();
$image_handle = imagecreatetruecolor(150, 60);
$white = imagecolorallocate($image_handle, 255, 255, 255);
$rndm = imagecolorallocate($image_handle, rand(64, 192), rand(64, 192), rand(64, 192));
imagefill($image_handle, 0, 0, $white);
$fontName = PUBLICPATH . "/fonts/elephant.ttf";
$myX = 15;
$myY = 30;
$angle = 0;
for ($x = 0; $x <= 100; $x++) {
$myX = rand(1, 148);
$myY = rand(1, 58);
imageline($image_handle, $myX, $myY, $myX + rand(-5, 5), $myY + rand(-5, 5), $rndm);
}
$myCryptBase = tep_create_random_value(50, 'digits');
$secure_image_hash_string = "";
for ($x = 0; $x <= 4; $x++) {
$dark = imagecolorallocate($image_handle, rand(5, 128), rand(5, 128), rand(5, 128));
$capChar = substr($myCryptBase, rand(1, 35), 1);
$secure_image_hash_string .= $capChar;
$fs = rand(20, 26);
$myX = 15 + ($x * 28 + rand(-5, 5));
$myY = rand($fs + 2, 55);
$angle = rand(-30, 30);
ImageTTFText($image_handle, $fs, $angle, $myX, $myY, $dark, $fontName, $capChar);
}
$this->session->set_userdata('secure_image_hash_string', $secure_image_hash_string);
header("Content-type: image/jpeg");
imagejpeg($image_handle, "", 95);
imagedestroy($image_handle);
die;
}
function create($width = '120', $height = '40', $characters = '6')
{
ob_clean();
$code = $this->generateCode($characters);
/* font size will be 75% of the image height */
$font_size = $height * 0.7;
$image = @imagecreate($width, $height) or die('Cannot initialize new GD image stream');
/* set the colours */
$background_color = imagecolorallocate($image, 220, 220, 220);
$text_color = imagecolorallocate($image, 10, 30, 80);
$noise_color = imagecolorallocate($image, 150, 180, 220);
/* generate random dots in background */
for ($i = 0; $i < $width * $height / 3; $i++) {
imagefilledellipse($image, mt_rand(0, $width), mt_rand(0, $height), 1, 1, $noise_color);
}
/* generate random lines in background */
for ($i = 0; $i < $width * $height / 150; $i++) {
imageline($image, mt_rand(0, $width), mt_rand(0, $height), mt_rand(0, $width), mt_rand(0, $height), $noise_color);
}
/* create textbox and add text */
$textbox = imagettfbbox($font_size, 0, $this->font, $code) or die('Error in imagettfbbox function');
$x = ($width - $textbox[4]) / 2;
$y = ($height - $textbox[5]) / 2;
$y -= 5;
imagettftext($image, $font_size, 0, $x, $y, $text_color, $this->font, $code) or die('Error in imagettftext function');
/* output captcha image to browser */
header('Content-Type: image/jpeg');
imagejpeg($image);
imagedestroy($image);
$this->Controller->Session->write('security_code', $code);
}
public function index()
{
header("content-type:image/gif");
$this->load->library('session');
$width = 60;
$height = 30;
$img = imagecreatetruecolor($width, $height);
$white = imagecolorallocate($img, 255, 255, 255);
$color = imagecolorallocate($img, rand(0, 255), rand(0, 255), rand(0, 255));
$str = "123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
$code = "";
for ($i = 0; $i < 5; $i++) {
$code .= $str[rand(0, strlen($str) - 1)];
}
$this->session->set_userdata(array('myCode' => strtolower($code)));
imagefilledrectangle($img, 0, 0, 60, 30, $color);
for ($i = 0; $i < 100; $i++) {
imagesetpixel($img, rand(0, 60), rand(0, 30), imagecolorallocate($img, rand(0, 255), rand(0, 255), rand(0, 255)));
}
for ($i = 0; $i < 10; $i++) {
imageline($img, rand(0, 60), rand(0, 30), rand(0, 60), rand(0, 30), imagecolorallocate($img, rand(0, 255), rand(0, 255), rand(0, 255)));
}
imagestring($img, 5, 10, 5, $code, $white);
return imagegif($img);
//imagedestroy($img);
}
function captcha($width, $height, $code)
{
$font = "./font/ChalkboardBold.ttf";
$font_size = 17;
$image = imagecreate($width, $height);
$background_color = imagecolorallocate($image, 255, 255, 255);
$text_color = imagecolorallocate($image, 20, 40, 100);
$noise_color = imagecolorallocate($image, 100, 120, 180);
for ($i = 0; $i < $width * $height / 3; $i++) {
imagefilledellipse($image, mt_rand(0, $width), mt_rand(0, $height), 1, 1, $noise_color);
}
for ($i = 0; $i < $width * $height / 150; $i++) {
imageline($image, mt_rand(0, $width), mt_rand(0, $height), mt_rand(0, $width), mt_rand(0, $height), $noise_color);
}
$x = 3;
$y = 20;
imagettftext($image, $font_size, rand(-45, 45), $x, $y + rand() % 16, $text_color, $font, $code[0]);
imagettftext($image, $font_size, rand(-45, 45), $x + 23, $y + rand() % 16, $text_color, $font, $code[1]);
imagettftext($image, $font_size, rand(-45, 45), $x + 46, $y + rand() % 16, $text_color, $font, $code[2]);
imagettftext($image, $font_size, rand(-45, 45), $x + 69, $y + rand() % 16, $text_color, $font, $code[3]);
imagettftext($image, $font_size, rand(-45, 45), $x + 92, $y + rand() % 16, $text_color, $font, $code[4]);
imagettftext($image, $font_size, rand(-45, 45), $x + 115, $y + rand() % 16, $text_color, $font, $code[5]);
header('Content-Type: image/jpeg');
imagejpeg($image);
imagedestroy($image);
}
public function generate()
{
foreach ($this->__shapes as $shape) {
$type = array_shift($shape);
$color = array_shift($shape);
$color = $this->_owner->imagecolorallocate(!isset($color) || is_null($color) ? $this->__base_color : $color, $this->__base_alpha);
switch ($type) {
case self::LINE:
imageline($this->_owner->image, $shape[0], $shape[1], $shape[2], $shape[3], $color);
break;
case self::RECTANGLE:
imagerectangle($this->_owner->image, $shape[0], $shape[1], $shape[2], $shape[3], $color);
break;
case self::FILLED_RECTANGLE:
imagefilledrectangle($this->_owner->image, $shape[0], $shape[1], $shape[2], $shape[3], $color);
break;
case self::ELLIPSE:
imageellipse($this->_owner->image, $shape[0], $shape[1], $shape[2], $shape[3], $color);
break;
case self::FILLED_ELLIPSE:
imagefilledellipse($this->_owner->image, $shape[0], $shape[1], $shape[2], $shape[3], $color);
break;
case self::SPIRAL:
$angle = $r = 0;
while ($r <= $shape[2]) {
imagearc($this->_owner->image, $shape[0], $shape[1], $r, $r, $angle - $shape[3], $angle, $color);
$angle += $shape[3];
$r++;
}
break;
}
}
return true;
}
public static function generate($id, $width = 100, $height = 40)
{
$code = session::get("capcha_{$id}");
// If not set then font size will be 75% size of height or width
if (!self::$_font_size) {
if ($width > $height) {
self::$_font_size = $height * 0.75;
} else {
self::$_font_size = $width * 0.75;
}
}
// Create image
$image = imagecreate($width, $height) or die('Cannot initialize new GD image stream');
// set the colors
$background_color = imagecolorallocate($image, self::$_background_color[0], self::$_background_color[1], self::$_background_color[2]);
$text_color = imagecolorallocate($image, self::$_font_color[0], self::$_font_color[1], self::$_font_color[2]);
$noise_color = imagecolorallocate($image, self::$_noise_color[0], self::$_noise_color[1], self::$_noise_color[2]);
// Generate random dots in background
for ($i = 0; $i < $width * $height / 3; $i++) {
imagefilledellipse($image, mt_rand(0, $width), mt_rand(0, $height), 1, 1, $noise_color);
}
// Generate random lines in background
for ($i = 0; $i < $width * $height / 150; $i++) {
imageline($image, mt_rand(0, $width), mt_rand(0, $height), mt_rand(0, $width), mt_rand(0, $height), $noise_color);
}
// create textbox and add text
$textbox = imagettfbbox(self::$_font_size, 0, self::$_font_file, $code) or die('Error in imagettfbbox function');
$x = ($width - $textbox[4]) / 2;
$y = ($height - $textbox[5]) / 2;
imagettftext($image, self::$_font_size, 0, $x, $y, $text_color, self::$_font_file, $code) or die('Error in imagettftext function');
// Output captcha image to browser
header('Content-Type:image/jpeg');
imagejpeg($image);
imagedestroy($image);
}
/**
* Makes a graphical captcha from the provided text string
*
* @param string $captcha_text string to make image captcha from
* @return string $data_url a data url containing the obfuscated image
*/
function makeGraphicalCaptcha($captcha_text)
{
$image = @imagecreatetruecolor(195, 35);
// defines background color, random lines color and text color
$bg_color = imagecolorallocate($image, mt_rand(0, 255), 255, 0);
imagefill($image, 0, 0, $bg_color);
$lines_color = imagecolorallocate($image, 0x99, 0xcc, 0x99);
$text_color = imagecolorallocate($image, mt_rand(0, 255), 0, 255);
// draws random lines
for ($i = 0; $i < 4; $i++) {
imageline($image, 0, rand(0, 35), 195, rand(0, 35), $lines_color);
}
$captcha_letter_array = str_split($captcha_text);
foreach ($captcha_letter_array as $i => $captcha_letter) {
imagesetthickness($image, 1);
imagestring($image, 5, 5 + $i * 35, rand(2, 14), $captcha_letter, $text_color);
}
// creates image
ob_start();
imagejpeg($image);
$image_data = ob_get_contents();
ob_end_clean();
$data_url = "data:image/jpeg;base64," . base64_encode($image_data);
imagedestroy($image);
return $data_url;
}
public function getVerify()
{
//创建画布
$img = imagecreatetruecolor($this->config['width'], $this->config['height']);
//设置背景颜色
$bgColor = imagecolorallocate($img, 255, 255, 255);
imagefill($img, 0, 0, $bgColor);
$_x = ceil(($this->config['width'] - 20) / $this->config['lenght']);
$code = '';
//写入验证码
for ($i = 0; $i < $this->config['lenght']; $i++) {
$str = random();
$code .= $str;
$x = 10 + $i * $_x;
$fontSize = mt_rand($this->config['fontsize'] - 10, $this->config['fontsize']);
$fontH = imagefontheight($this->config['fontsize']);
$y = mt_rand($fontH + 10, $this->config['height'] - 5);
$fontColor = imagecolorallocate($img, mt_rand(0, 200), mt_rand(0, 200), mt_rand(0, 200));
imagettftext($img, $fontSize, 0, $x, $y, $fontColor, $this->config['fontfile'], $str);
}
//增加干扰点
for ($i = 0; $i < $this->config['point']; $i++) {
$pointColor = imagecolorallocate($img, rand(150, 200), rand(150, 200), rand(100, 200));
imagesetpixel($img, mt_rand(1, $this->config['width']), mt_rand(1, $this->config['height']), $pointColor);
}
//增加线干扰
for ($i = 0; $i < $this->config['line']; $i++) {
$linColor = imagecolorallocate($img, rand(0, 200), rand(0, 200), rand(0, 200));
imageline($img, rand(0, $this->config['width']), rand(0, $this->config['height']), rand(0, $this->config['width']), rand(0, $this->config['height']), $linColor);
}
$_SESSION['Verify'] = md5(strtoupper($code));
header('Content-type: image/png');
imagepng($img);
imagedestroy($img);
}
public function setRandLine()
{
for ($i = 0; $i < $this->LineNumber; $i++) {
$LineColor = imagecolorallocate($this->ImgObj, rand(0, 255), rand(0, 255), rand(0, 255));
imageline($this->ImgObj, rand(0, $this->Width), rand(0, $this->Height), rand(0, $this->Width), rand(0, $this->Height), $LineColor);
}
}
/**
* Generate captcha
*
* @param integer $characters Amount of characters to draw
* @param integer $width
* @param integer $height
*/
public function __construct($characters = 10, $width = 140, $height = 24)
{
if (!file_exists($this->font)) {
throw new RuntimeException("Font " . $this->font . " is missing. Can't proceed.");
}
$this->code = $this->generateCode($characters);
/* font size will be 75% of the image height */
$font_size = $height * 0.7;
$image = imagecreate($width, $height) or die('Cannot initialize new GD image stream');
/* set the colours */
$noise_color = imagecolorallocate($image, 255, 255, 255);
$text_color = imagecolorallocate($image, 44, 44, 44);
$text_color2 = imagecolorallocate($image, 244, 1, 1);
$line_color = imagecolorallocate($image, 244, 0, 0);
/* generate random dots in background */
for ($i = 0; $i < $width * $height / 3; $i++) {
imagefilledellipse($image, mt_rand(0, $width), mt_rand(0, $height), 1, 1, $noise_color);
}
/* generate random lines in background of text */
for ($i = 0; $i < $width * $height / 150; $i++) {
imageline($image, mt_rand(0, $width), mt_rand(0, $height), mt_rand(0, $width), mt_rand(0, $height), $noise_color);
}
/* create textbox and add text */
$textbox = imagettfbbox($font_size, 0, $this->font, $this->code) or die('Error in imagettfbbox function');
$x = ($width - $textbox[4]) / 2;
$y = ($height - $textbox[5]) / 2;
imagettftext($image, $font_size, 0, $x, $y, $text_color, $this->font, $this->code) or die('Error in imagettftext function');
imagettftext($image, $font_size, 0, $x + 1, $y + 1, $text_color2, $this->font, substr($this->code, 0, 4));
imagettftext($image, $font_size + 2, 0, $width - 50, 20, $line_color, $this->font, substr($this->code, -3));
$this->image = $image;
}
public function generateCaptcha()
{
//make image
$im = imagecreatetruecolor($this->width, $this->height);
//set background
$bg_color = imagecolorallocate($im, mt_rand($this->bg_color_min, $this->bg_color_max), mt_rand($this->bg_color_min, $this->bg_color_max), mt_rand($this->bg_color_min, $this->bg_color_max));
//padding
imagefill($im, 0, 0, $bg_color);
//add lines
for ($i = 0; $i < $this->lines; $i++) {
//set color
$line_color = imagecolorallocate($im, mt_rand($this->line_color_min, $this->line_color_max), mt_rand($this->line_color_min, $this->line_color_max), mt_rand($this->line_color_min, $this->line_color_max));
//draw line
imageline($im, mt_rand(0, $this->width), mt_rand(0, $this->height), mt_rand(0, $this->width), mt_rand(0, $this->height), $line_color);
}
//add pixels
for ($i = 0; $i < $this->pixels; $i++) {
//set color
$pixels_color = imagecolorallocate($im, mt_rand($this->pixels_color_min, $this->pixels_color_max), mt_rand($this->pixels_color_min, $this->pixels_color_max), mt_rand($this->pixels_color_min, $this->pixels_color_max));
//draw pixels
imagesetpixel($im, mt_rand(0, $this->width), mt_rand(0, $this->height), $pixels_color);
}
//get captcha string
$captcha = $this->generateString();
//set color of font
$str_color = imagecolorallocate($im, mt_rand($this->font_color_min, $this->font_color_max), mt_rand($this->font_color_min, $this->font_color_max), mt_rand($this->font_color_min, $this->font_color_max));
//put string to picture
imagestring($im, $this->font, ceil($this->width / 2) - 20, ceil($this->height / 2) - 10, $captcha, $str_color);
//save or output
imagepng($im);
//destroy res
imagedestroy($im);
}
function verifyImage($type = 1, $length = 4, $pixel = 0, $line = 10, $sses_name = "verify")
{
// 创建画布
$width = 80;
$height = 28;
$image = imagecreatetruecolor($width, $height);
$white = imagecolorallocate($image, 255, 255, 255);
$balck = imagecolorallocate($image, 0, 0, 0);
// 用填充矩形填充画布
imagefilledrectangle($image, 1, 1, $width - 2, $height - 2, $white);
$chars = buildRandomString($type, $length);
$_SESSION[$sses_name] = $chars;
for ($i = 0; $i < $length; $i++) {
$size = mt_rand(14, 18);
$angle = mt_rand(-15, 15);
$x = 3 + $i * $size;
$y = mt_rand(18, 22);
$fontfile = "../fonts/" . "STFANGSO.TTF";
$color = imagecolorallocate($image, mt_rand(50, 90), mt_rand(80, 200), mt_rand(90, 180));
$text = substr($chars, $i, 1);
imagettftext($image, $size, $angle, $x, $y, $color, $fontfile, $text);
}
// 加点
for ($i = 0; $i < $pixel; $i++) {
imagesetpixel($image, mt_rand(0, $width - 1), mt_rand(0, $height - 1), $balck);
}
// 加直线
for ($i = 0; $i < $line; $i++) {
$color = imagecolorallocate($image, mt_rand(50, 90), mt_rand(80, 200), mt_rand(90, 180));
imageline($image, mt_rand(0, $width - 1), mt_rand(0, $height - 1), mt_rand(0, $width - 1), mt_rand(0, $height - 1), $color);
}
header("content-type:image/jpg");
imagegif($image);
imagedestroy($image);
}
/**
* Create image from text (for captcha)
* @param int widht
* @param int height
* @param string text
* @param string Font (Arial)
* @param int fontsize
* @param string if not empty then save to file
* @param int randomline
*/
static function createImageTextKod($width, $height, $text, $TTFFile, $fontsize = 16, $file = '', $randomline = 2)
{
$img = imagecreate($width, $height);
$col = imagecolorallocate($img, 255, 255, 255);
$line = imagecolorallocate($img, 220, 220, 220);
for ($i = 5; $i < $width; $i = $i + $fontsize) {
imageline($img, $i, 0, $i, $height, $line);
}
for ($i = 5; $i < $height; $i = $i + $fontsize) {
imageline($img, 0, $i, $width, $i, $line);
}
$c[0] = imagecolorallocate($img, 20, 50, 235);
$c[1] = imagecolorallocate($img, 20, 220, 23);
$c[2] = imagecolorallocate($img, 220, 20, 23);
$c[3] = imagecolorallocate($img, 255, 120, 10);
$c[4] = imagecolorallocate($img, 120, 120, 140);
$c[5] = imagecolorallocate($img, 20, 130, 140);
$c[6] = imagecolorallocate($img, 120, 130, 40);
srand(time());
for ($i = 0; $i < $randomline; $i++) {
$color = $c[rand(0, 6)];
$y1 = rand(0, $height);
$y2 = rand(0, $height);
imageline($img, 0, $y1, $width, $y2, $color);
}
for ($i = 0; $i < strlen($text); $i++) {
$symb = substr($text, $i, 1);
$color = $c[rand(0, 6)];
$angle = rand(-15, 15);
$y = $fontsize + intval($fontsize / 2) + intval($fontsize / 5) + rand(-intval($fontsize / 2), intval($fontsize / 2)) + 1;
$x = $fontsize * $i + intval($fontsize / 2) + 1;
imagettftext($img, $fontsize, $angle, $x, $y, $color, $TTFFile, $symb);
}
imagejpeg($img, $file, 90);
}
/**
* Apply the effect to the image
*
* @param object $image
* @access public
*/
function apply(&$image)
{
for ($i = 0, $rd = rand(0, 100), $gr = rand(0, 100), $bl = rand(0, 100); $i <= $image->height; $i++) {
$g = @imagecolorallocate($image->handle, $rd += 2, $gr += 2, $bl += 2);
@imageline($image->handle, 0, $i, $image->width, $i, $g);
}
}
function drawLine()
{
//header('Content-type: image/png');
$png_image = imagecreate(150, 150);
imagecolorallocate($png_image, 15, 142, 210);
imagesetthickness($png_image, 5);
$black = imagecolorallocate($png_image, 0, 0, 0);
$x = 0;
$y = 0;
$w = imagesx($png_image) - 1;
$z = imagesy($png_image) - 1;
// Rectangle
// imageline ($image, $x1, $y1, $x2, $y2, $color)
imageline($png_image, $x, $y, $x, $y + $z, $black);
imageline($png_image, $x, $y, $x + $w, $y, $black);
imageline($png_image, $x + $w, $y, $x + $w, $y + $z, $black);
imageline($png_image, $x, $y + $z, $x + $w, $y + $z, $black);
// Lines
imageline($png_image, $x, $y, $w, $z, $black);
imagepng($png_image, 'simpletext.png');
//imagepng($png_image);
imagedestroy($png_image);
$imgNumber = new NumberImage(1, 50, 50, 10);
$imgNumber->setFileName("jedan");
$imgNumber->drawNumberLineImage();
}
/**
* 创建图像
*
* @return resource
*/
protected function _createImage()
{
if (!is_resource($this->_image)) {
extract($this->_options);
//解出参数到变量
$this->_image = imagecreatetruecolor($width, $height);
$color1 = imagecolorallocate($this->_image, mt_rand(200, 255), mt_rand(200, 255), mt_rand(150, 255));
$color2 = imagecolorallocate($this->_image, mt_rand(200, 255), mt_rand(200, 255), mt_rand(150, 255));
$color1 = imagecolorsforindex($this->_image, $color1);
$color2 = imagecolorsforindex($this->_image, $color2);
$steps = $width;
$r1 = ($color1['red'] - $color2['red']) / $steps;
$g1 = ($color1['green'] - $color2['green']) / $steps;
$b1 = ($color1['blue'] - $color2['blue']) / $steps;
$x1 = 0;
$y1 =& $i;
$x2 = $width;
$y2 =& $i;
for ($i = 0; $i <= $steps; $i++) {
$r2 = $color1['red'] - floor($i * $r1);
$g2 = $color1['green'] - floor($i * $g1);
$b2 = $color1['blue'] - floor($i * $b1);
$color = imagecolorallocate($this->_image, $r2, $g2, $b2);
imageline($this->_image, $x1, $y1, $x2, $y2, $color);
}
for ($i = 0, $count = mt_rand(10, 20); $i < $count; $i++) {
$color = imagecolorallocatealpha($this->_image, mt_rand(20, 255), mt_rand(20, 255), mt_rand(100, 255), mt_rand(80, 120));
imageline($this->_image, mt_rand(0, $width), 0, mt_rand(0, $width), $height, $color);
}
}
return $this->_image;
}
function create_image()
{
// *** Generate a passcode using md5
// (it will be all lowercase hex letters and numbers ***
$md5 = md5(rand(0, 9999));
$pass = substr($md5, 10, 5);
// *** Set the session cookie so we know what the passcode is ***
$_SESSION["pass"] = $pass;
// *** Create the image resource ***
$image = ImageCreatetruecolor(100, 20);
// *** We are making two colors, white and black ***
$clr_white = ImageColorAllocate($image, 255, 255, 255);
$clr_black = ImageColorAllocate($image, 0, 0, 0);
// *** Make the background black ***
imagefill($image, 0, 0, $clr_black);
// *** Set the image height and width ***
imagefontheight(15);
imagefontwidth(15);
// *** Add the passcode in white to the image ***
imagestring($image, 5, 30, 3, $pass, $clr_white);
// *** Throw in some lines to trick those cheeky bots! ***
imageline($image, 5, 1, 50, 20, $clr_white);
imageline($image, 60, 1, 96, 20, $clr_white);
// *** Return the newly created image in jpeg format ***
return imagejpeg($image);
// *** Just in case... ***
imagedestroy($image);
}
/**
* Class constructor generates the CAPTCHA image.
*
* @return blob the image
* @access public
*/
function __construct()
{
session_start();
$image = imagecreate($this->width, $this->height);
$random_str = $this->gen_str($this->chars_nr);
#md5( microtime() ); // md5 to generate the random string
$result_str = substr($random_str, 0, $this->chars_nr);
//trim $chars_nr digit
$bg_color = imagecolorallocate($image, $this->background_color['red'], $this->background_color['green'], $this->background_color['blue']);
// background color
$tx_color = imagecolorallocate($image, $this->text_color['red'], $this->text_color['gree'], $this->text_color['blue']);
// text color
for ($i = 0; $i <= $this->lines; $i++) {
$line_color = imagecolorallocate($image, rand(0, 255), rand(0, 255), rand(0, 255));
//line color
imageline($image, rand(rand(-10, 100), rand(-10, 100)), rand(rand(-10, 100), rand(-10, 100)), rand(rand(-10, 100), rand(-10, 100)), rand(rand(-10, 100), rand(-10, 100)), $line_color);
// Create lines on image
}
imagestring($image, 5, 20, 10, $result_str, $tx_color);
// Draw a random string horizontally
$_SESSION['key'] = $result_str;
// Carry the data through session
header("Content-type: image/png");
// Out out the image
imagepng($image);
// Output image to browser
}
public function show()
{
$captchaText = strtoupper(substr(md5(microtime()), 0, 7));
$this->Session->write('captcha', $captchaText);
$image = imagecreate(190, 70);
$background = imagecolorallocate($image, 255, 255, 255);
$textColor = imagecolorallocatealpha($image, 0, 0, 0, 1);
$x = 5;
$y = 50;
for ($i = 0; $i < 3000; $i++) {
$fontSize = mt_rand(15, 28);
$text = substr($captchaText, $i, 1);
imagettftext($image, $fontSize, 0, $x, $y, $textColor, './impact.ttf', $text);
$x = $x + 17 + mt_rand(0, 10);
$y = mt_rand(40, 65);
imagesetpixel($image, rand() % 235, rand() % 85, 3000000);
}
$line_color = imagecolorallocate($image, 4, rand() % 110, rand() % 220);
for ($i = 0; $i < 10; $i++) {
imageline($image, 0, rand() % 50, 200, rand() % 120, $line_color);
}
header("Content-type: application/jpeg");
return imagejpeg($image);
imagedestroy($image);
}
static function codeimage()
{
$image = imagecreatetruecolor(100, 30);
$bgcolor = imagecolorallocate($image, 255, 255, 255);
imagefill($image, 0, 0, $bgcolor);
$code = '';
for ($i = 0; $i < 4; $i++) {
$fontsize = 6;
$fontcolor = imagecolorallocate($image, rand(0, 120), rand(0, 120), rand(0, 120));
$data = "abcdefghjkmnpqrstuvwxy3456789";
$fontcontent = substr($data, rand(1, strlen($data) - 1), 1);
$code .= $fontcontent;
$x = $i * 100 / 4 + rand(5, 10);
$y = rand(5, 10);
imagestring($image, $fontsize, $x, $y, $fontcontent, $fontcolor);
}
for ($i = 0; $i < 200; $i++) {
$pointcolor = imagecolorallocate($image, rand(50, 200), rand(50, 200), rand(50, 200));
imagesetpixel($image, rand(1, 99), rand(1, 29), $pointcolor);
}
for ($i = 0; $i < 2; $i++) {
$linecolor = imagecolorallocate($image, rand(80, 220), rand(80, 220), rand(80, 220));
imageline($image, rand(1, 99), rand(1, 29), rand(1, 99), rand(1, 29), $linecolor);
}
$return['code'] = $code;
$return['image'] = $image;
return $return;
// header('content-type:image/png');
// imagepng($image);
}
function CaptchaSecurityImages($width = '120', $height = '40', $characters = '6', $sec_code = '5')
{
$code = $sec_code;
/* font size will be 75% of the image height */
$font_size = $height * 0.75;
$image = @imagecreate($width, $height) or die('Cannot initialize new GD image stream');
/* set the colours */
$background_color = imagecolorallocate($image, 255, 255, 255);
$text_color = imagecolorallocate($image, 20, 40, 100);
$noise_color = imagecolorallocate($image, 255, 255, 255);
/* generate random dots in background */
for ($i = 0; $i < $width * $height / 3; $i++) {
imagefilledellipse($image, mt_rand(0, $width), mt_rand(0, $height), 1, 1, $noise_color);
}
/* generate random lines in background */
for ($i = 0; $i < $width * $height / 150; $i++) {
imageline($image, mt_rand(0, $width), mt_rand(0, $height), mt_rand(0, $width), mt_rand(0, $height), $noise_color);
}
/* create textbox and add text */
$textbox = imagettfbbox($font_size, 0, './monofont.ttf', $code) or die('Error in imagettfbbox function');
$x = ($width - $textbox[4]) / 2;
$y = ($height - $textbox[5]) / 2;
imagettftext($image, $font_size, 0, $x, $y, $text_color, './monofont.ttf', $code) or die('Error in imagettftext function');
/* output captcha image to browser */
header('Content-Type: image/jpeg');
imagejpeg($image);
imagedestroy($image);
//$this->mcode = $code;
}
public function index()
{
$code = substr(sha1(mt_rand()), 17, 6);
$this->session->set_userdata('captcha_code', $code);
$width = '120';
$height = '40';
$font = APPPATH . 'modules/contact/assets/fonts/monofont.ttf';
$font_size = $height * 0.75;
$image = @imagecreate($width, $height) or die('Cannot initialize new GD image stream');
/* set the colours */
$background_color = imagecolorallocate($image, 255, 255, 255);
$text_color = imagecolorallocate($image, 20, 40, 100);
$noise_color = imagecolorallocate($image, 100, 120, 180);
/* generate random dots in background */
for ($i = 0; $i < $width * $height / 3; $i++) {
imagefilledellipse($image, mt_rand(0, $width), mt_rand(0, $height), 1, 1, $noise_color);
}
/* generate random lines in background */
for ($i = 0; $i < $width * $height / 150; $i++) {
imageline($image, mt_rand(0, $width), mt_rand(0, $height), mt_rand(0, $width), mt_rand(0, $height), $noise_color);
}
/* create textbox and add text */
$textbox = imagettfbbox($font_size, 0, $font, $code) or die('Error in imagettfbbox function');
$x = ($width - $textbox[4]) / 2;
$y = ($height - $textbox[5]) / 2;
imagettftext($image, $font_size, 0, $x, $y, $text_color, $font, $code) or die('Error in imagettftext function');
/* output captcha image to browser */
header('Content-Type: image/jpeg');
imagejpeg($image);
imagedestroy($image);
}
function create_image()
{
$image = imagecreatetruecolor(200, 50);
$background_color = imagecolorallocate($image, 255, 255, 255);
imagefilledrectangle($image, 0, 0, 200, 50, $background_color);
$line_color = imagecolorallocate($image, 255, 0, 255);
for ($i = 0; $i < 10; $i++) {
imageline($image, 0, rand() % 50, 200, rand() % 25, $line_color);
}
$pixel_color = imagecolorallocate($image, 255, 0, 255);
for ($i = 0; $i < 1000; $i++) {
imagesetpixel($image, rand() % 200, rand() % 50, $pixel_color);
}
$letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
$len = strlen($letters);
$letter = $letters[rand(0, $len - 1)];
$text_color = imagecolorallocate($image, 0, 0, 0);
$word = "";
for ($i = 0; $i < 6; $i++) {
$letter = $letters[rand(0, $len - 1)];
imagestring($image, 5, 5 + $i * 30, 20, $letter, $text_color);
$word .= $letter;
}
$_SESSION['security_key'] = $word;
imagepng($image);
}
/**
* Adds to the PNG image object, the data related to a row in the GIS dataset.
*
* @param string $spatial GIS LINESTRING object
* @param string $label Label for the GIS LINESTRING object
* @param string $line_color Color for the GIS LINESTRING object
* @param array $scale_data Array containing data related to scaling
* @param image $image Image object
*
* @return the modified image object
*/
public function prepareRowAsPng($spatial, $label, $line_color, $scale_data, $image)
{
// allocate colors
$black = imagecolorallocate($image, 0, 0, 0);
$red = hexdec(substr($line_color, 1, 2));
$green = hexdec(substr($line_color, 3, 2));
$blue = hexdec(substr($line_color, 4, 2));
$color = imagecolorallocate($image, $red, $green, $blue);
// Trim to remove leading 'LINESTRING(' and trailing ')'
$linesrting = substr($spatial, 11, strlen($spatial) - 12);
$points_arr = $this->extractPoints($linesrting, $scale_data);
foreach ($points_arr as $point) {
if (!isset($temp_point)) {
$temp_point = $point;
} else {
// draw line section
imageline($image, $temp_point[0], $temp_point[1], $point[0], $point[1], $color);
$temp_point = $point;
}
}
// print label if applicable
if (isset($label) && trim($label) != '') {
imagestring($image, 1, $points_arr[1][0], $points_arr[1][1], trim($label), $black);
}
return $image;
}
public static function getCode($width = 70, $height = 24, $len = 4)
{
self::init();
header('content-type:image/png');
$checkWord = '';
$checkChar = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIGKLMNOPQRSTUVWXYZ1234567890';
for ($num = 0; $num < $len; $num++) {
$char = rand(0, strlen($checkChar) - 1);
$checkWord .= $checkChar[$char];
}
$_SESSION['code'] = strtolower($checkWord);
$image = imagecreate($width, $height);
$font = FONTS_PATH . 'ariblk.ttf';
$red = imagecolorallocate($image, 0xf3, 0x61, 0x61);
$blue = imagecolorallocate($image, 0x53, 0x68, 0xbd);
$green = imagecolorallocate($image, 0x6b, 0xc1, 0x46);
$colors = array($red, $blue, $green);
$gray = imagecolorallocate($image, 0xf5, 0xf5, 0xf5);
imagefill($image, 0, 0, $gray);
imageline($image, rand(0, 5), rand(6, 18), rand(65, 70), rand(6, 18), $colors[rand(0, 2)]);
for ($num = 0; $num < $len; $num++) {
imagettftext($image, rand(12, 16), (rand(0, 60) + 330) % 360, 5 + 15 * $num + rand(0, 4), 18 + rand(0, 4), $colors[rand(0, 2)], $font, $checkWord[$num]);
}
imagepng($image);
imagedestroy($image);
}
function CaptchaSecurityImages($width = '120', $height = '40', $characters = '6')
{
$code = $this->generateCode($characters);
/* font size will be 75% of the image height */
$font_size = $height * 0.85;
$image = imagecreate($width, $height) or die(__('Cannot initialize new GD image stream', 'formbuilder'));
/* set the colours */
$background_color = imagecolorallocate($image, 255, 255, 255);
$text_color = imagecolorallocate($image, 20, 40, 100);
$noise_color = imagecolorallocate($image, 100, 120, 180);
/* generate random dots in background */
for ($i = 0; $i < $width * $height / 3; $i++) {
imagefilledellipse($image, mt_rand(0, $width), mt_rand(0, $height), 1, 1, $noise_color);
}
/* generate random lines in background */
for ($i = 0; $i < $width * $height / 150; $i++) {
imageline($image, mt_rand(0, $width), mt_rand(0, $height), mt_rand(0, $width), mt_rand(0, $height), $noise_color);
}
/* create textbox and add text */
$textbox = imagettfbbox($font_size, 0, $this->font, $code) or die(__('Error in imagettfbbox function', 'formbuilder'));
$x = ($width - $textbox[4]) / 2;
$y = ($height - $textbox[5]) / 2;
imagettftext($image, $font_size, 0, $x, $y, $text_color, $this->font, $code) or die(__('Error in imagettftext function', 'formbuilder'));
/* output captcha image to browser */
session_start();
header('Content-Type: image/jpeg');
imagejpeg($image);
imagedestroy($image);
$_SESSION['security_code'] = $code;
}
function create_image()
{
header("Content-Type: image/png");
$image = imagecreatetruecolor(200, 50) or die("Cannot Initialize new GD image stream");
$background_color = imagecolorallocate($image, 0, 0, 0);
$text_color = imagecolorallocate($image, 122, 111, 255);
$line_color = imagecolorallocate($image, 64, 64, 64);
$pixel_color = imagecolorallocate($image, 0, 0, 255);
imagefilledrectangle($image, 0, 0, 200, 50, $background_color);
for ($i = 0; $i < 3; $i++) {
imageline($image, 0, rand(0, 255) % 50, 200, rand(0, 255) % 50, $line_color);
}
for ($i = 0; $i < 1000; $i++) {
imagesetpixel($image, rand() % 200, rand() % 50, $pixel_color);
}
$letters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
$len = strlen($letters);
$letter = $letters[rand(0, $len - 1)];
# $text_color = imagecolorallocate($image, 0, 0, 0);
$word = "";
for ($i = 0; $i < 6; $i++) {
$letter = $letters[rand(0, $len - 1)];
imagestring($image, 7, 5 + $i * 30, 20, $letter, $text_color);
$word .= $letter;
}
$_SESSION['solution'] = $word;
imagepng($image);
imagedestroy($image);
}